An injury to a muscle or muscle and tendon that have been overextended or stretched is a ________

Strain

An injury to a joint with possible damage to or tearing of ligaments

Sprain.

The displacement of a bone from its normal position in a joint.

Dislocation.

3 Forces cause bone and joint injury:

Direct Force
Indirect Force
Twisting Force

Direct Force

direct blow, occurs at the point of impact.

Indirect Force

The force impacts on one end or a limb, causing injury some distance away from the point of impact. (brace yourself on fall, sprain wrist 'direct force', dislocate ipsilateral shoulder 'Indirect force.'

Twisting Force

one part of the extremity remains stationary while the rest twists.

What two types of fractures are considered to be critical injuries?

Femur and Pelvis.

How many liters of blood can be lost in a femur fracture?

Approximately 1-2 liters

How many liters of blood can be lost in a pelvic fracture?

Approximately 2 liters.

If a patient has a life-threatening condition that is not directly related to the or caused by the extremity injury you should?

Initiate Transport and if time permits, during transport immobilize the injury.

Pulseness and cyanosis distal to an injury is not a serious condition. True or False

False, Transport this patient immediately after immobilizing the injury, immeidately following your focused history and physical exam.